Configuring the Bridge

3.2Overview: Software Configuration

Here is an overview of the tasks for configuring the bridge. The references are to the sections of this guidebook that show the detailed installation steps.

3.2.1Setting the Ethernet Configuration

Configure the bridge’s IP address and other Ethernet parameters to allow your host application to recognize the bridge.

Configuration With a BOOTP Server (Section 3.3)

If a BOOTP server exists, configure the server to recognize the bridge. When the bridge is initially powered up, it will attempt for 30 seconds to connect to a BOOTP server. If the server is found, the bridge will automatically configure for the Ethernet connection. Note that you will still have to set up the mappings between Ethernet and Modbus Plus devices, or you can create a host file for centralized mapping which you can download.

Configuration With the CFGUTIL Utility (Section 3.4)

If a BOOTP server is not available, you can use the internal CFGUTIL program to configure the bridge. Connect a keyboard and VGA monitor to the bridge, start the utility, and use it to setup the bridge’s IP and gateway addresses, and subnetwork mask.

3.2.2Setting the Modbus Plus and TCP/IP Address Mapping

Setup your bridge’s mapping tables to control the flow of traffic through the bridge. Your mappings define the routing destinations for messages received by the bridge on one network and passed through it to destinations on the other network.

Setting the Mapping: TCP/IP to Modbus Plus (Sections 3.5 and 3.6) Messages received by the bridge over TCP/IP contain a Destination Index address byte in the range 1 ... 249 decimal. This byte corresponds to the dest_idx field in Modbus Application Protocol commands issued in Modicon panel software such as Concept and Modsoft. The bridge maps this byte to one of 249 possible Modbus Plus node destinations. You define the Modbus Plus node address to be associated with each Destination Index byte value.

Setting the Mapping: Modbus Plus to TCP/IP (Sections 3.7 and 3.8) Messages received by the bridge over Modbus Plus contain a routing byte in the range 1 ... 255 decimal (the dest_idx field). The bridge maps this byte to one of 255 IP destinations. You define the IP address to be associated with each Modbus Plus routing byte value.

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Schneider Electric 174 CEV manual Overview Software Configuration, Setting the Ethernet Configuration

174 CEV specifications

Schneider Electric, a global leader in energy management and automation, has designed the Schneider Electric 174 CEV to meet the evolving demands of industrial applications. This innovative controller is engineered to enhance efficiency, flexibility, and reliability across various sectors.

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